Installing Monitoring Signal Cables - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide
Figure 8-73 Installing a FE/GE optical cable
Step 3 Route the FE/GE optical cable along the cable trough on the right of the cabinet, and then use
cable ties to bind the cable.
Step 4 Route the cable by referring to
Step 5 Attach labels on the optical cable. For details, see Attaching a Sign Plate Label.
Step 6 Coil the optical fiber with winding plastic tape at the end connected to the BBU. The tape is
coiled between the optical connector and the first cable tie on the cabinet, as shown in
8-74.
Figure 8-74 Coiling the optical fiber with winding plastic tape
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8.5.5 Installing Monitoring Signal Cables

When a DBS3900 is configured with one +24 V DC APM30H, you must install a monitoring
signal cable and in-position signal cable for the PSU (DC/DC).
Procedure
Step 1 Install a monitoring signal cable for the PSU (DC/DC), as shown in
1.
Issue 06 (2011-09-15)
Connect one end of the monitoring signal cable for the PSU (DC/DC) to the EXT_ALM0
port on the UPEU in the BBU.
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8 Outdoor Scenario with DC Power Supply (BBU Installed
8.5.1 Cabling Requirements.
in a +24 V DC APM30H)
Figure
Figure 8-75.
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